[FFmpeg-devel] [PATCH 2/3] avfilter/drawutils: honor shift for color component description
Timo Rothenpieler
timo at rothenpieler.org
Wed Aug 31 12:33:48 EEST 2016
---
libavfilter/drawutils.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/libavfilter/drawutils.c b/libavfilter/drawutils.c
index a3710db..f6760be 100644
--- a/libavfilter/drawutils.c
+++ b/libavfilter/drawutils.c
@@ -253,7 +253,8 @@ void ff_draw_color(FFDrawContext *draw, FFDrawColor *color, const uint8_t rgba[4
#define EXPAND(compn) \
if (desc->comp[compn].depth > 8) \
color->comp[desc->comp[compn].plane].u16[desc->comp[compn].offset] = \
- color->comp[desc->comp[compn].plane].u8[desc->comp[compn].offset] << (draw->desc->comp[compn].depth - 8)
+ color->comp[desc->comp[compn].plane].u8[desc->comp[compn].offset] << \
+ (draw->desc->comp[compn].depth + draw->desc->comp[compn].shift - 8)
EXPAND(3);
EXPAND(2);
EXPAND(1);
--
2.9.2
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